San Franciscan Rian Adams has broken her reliance on the automobile. Parking in the city’s congested urban core where she lives and works is too much hassle, and her two-mile commute typically takes five minutes on BART.

Around town, the 34-year-old says, “I don’t drive anywhere.”

Nor do a lot of others in the City by the Bay.

In stark contrast to car-dependent Los Angeles, studies show that most trips in the burgeoning tech metropolis are now made by modes of transportation other than the private automobile.

Travel surveys by the San Francisco Municipal Transportation Agency have shown that more than half of all trips — 54% in 2013 and 52% in 2012 — involved public transit, walking, bicycles and various car-share or ride-share operations such as Uber and Lyft.

Researchers found that 25% of the trips, whether commuting to work, going to dinner, shopping or other outings, were on transit, while nearly as many — 23% — were on foot. Use of a bicycle, taxi, car-share or ride-share accounted for 4%. In 2012, trips were split 50-50 between personal vehicles and the other modes.